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Heim Joints vs. Rebuildable Evo Joints
A side-by-side comparison of our heim joints and rebuildable Evo joints



Selecting the right rod ends for your project is no easy task, especially with there being so many different brands, sizes, types, and configurations currently available. Therefore, in a continued effort to offer only the best products on the market, Filthy Motorsports did the research and reviewed the specs of over 150 different joints and narrowed down the selection to a line of heim joints and a line of rebuildable flex joints. Then, to help you choose which of the two options are right for your application, we've listed their specifications in the table below so you can easily compare them side-by-side. If, however, you're still not sure which ones are right for you, you should always feel free to give us a call or shoot us an email so we can help point you in the right direction.



Rod End Type Chromoly Heim Joints Rebuildable Chromoly Evo Joints

Heim Joint Flex Joint

Housing Material - Heat treated 4130 Chromoly
- Hard Chrome finish
- Cryogenically treated after plating
- Billet machined 4140 HTSR Chromoly
- Heat treated and stress relieved
- Gold Zinc Dichromate finish

Ball Material - Heat treated 51200 bearing steel
- Hard Chrome finish
- Cryogenically treated after plating
- Billet machined 4140 HTSR Chromoly
- Heat treated and stress relieved
- Black liquid nitride finish

Race Material - Injection molded Teflon impregnated Nylon
- Cryogenically treated for up to 3x longer life
- Billet machined 4140 HTSR Chromoly
- Heat treated and stress relieved
- Silver zinc coating

Unique Features - Tear drop shape for added strength
- Cryogenically treated for doubled lifespan
- Extra wide body adds significant strength
- Unique perfectly round body
- Interchangeable balls and races

Yield Strength 78,000+ lbs. for 1-1/4"' heim joints
42,000+ lbs. for 7/8" heim joints
Over 98,000 lbs.
(Laboratory testing limit exceeded)

Breakage - 3/4" mounting bolt will shear before failure
- Housing will yield prior to breaking
- Failure points designed to allow limping back
- 3/4" mounting bolt will shear before failure
- Shank designed to bend prior to breaking
- Failure points designed to allow limping back

Misalignment Up to 34 degrees (68 degrees overall)
with high misalignment spacers
Up to 25 degrees (50 degrees overall)
with EVO ball or misalignment spacers

Maintenance Heim joints cannot be maintained Joints can be tightened and should be greased for lubrication and to remove water or debris

Greasable No Yes

Rebuildable No Yes

Adjustable No Yes

Price $7.75 to $49.00 $89.95 to $124.95

Manufacturing Imported, then Cryo Treated in US 100% Made in Canada

Warranty One year warranty against defects in
material and workmanship
Lifetime warranty against breakage with no failures in over 7 years